You have been subscribed to a public bug: Hi,
I'm trying to install an old printer on my Ubuntu 14.04. Printer isn't found. I found this in dmesg: [ 240.800054] INFO: task parallel:1815 blocked for more than 120 seconds. [ 240.800063] Not tainted 3.13.0-46-generic #77-Ubuntu [ 240.800066] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.800070] parallel D d2867e80 0 1815 1 0x00000004 [ 240.800078] d2867ec8 00000086 c105baf7 d2867e80 c1664875 c1a95580 c1926a00 c1664633 [ 240.800089] c1a95580 c1926a00 ce406800 df3a4580 de68f600 00000002 d2867ee4 c1664633 [ 240.800098] da8d3900 00000002 0000037a de68f600 00000002 d2867ee4 ffffff16 d286007b [ 240.800109] Call Trace: [ 240.800122] [<c105baf7>] ? irq_exit+0x47/0xa0 [ 240.800131] [<c1664875>] ? do_IRQ+0x45/0xb0 [ 240.800136] [<c1664633>] ? common_interrupt+0x33/0x38 [ 240.800145] [<c1664633>] ? common_interrupt+0x33/0x38 [ 240.800165] [<e02e21e2>] ? parport_pc_frob_control+0x32/0xd0 [parport_pc] [ 240.800173] [<c1659d73>] schedule_preempt_disabled+0x23/0x60 [ 240.800178] [<c165b6bd>] __mutex_lock_slowpath+0x10d/0x171 [ 240.800185] [<c165abec>] mutex_lock+0x1c/0x28 [ 240.800192] [<e026dbfb>] pp_ioctl+0x1b/0x40 [ppdev] [ 240.800198] [<e026dbe0>] ? pp_do_ioctl+0x860/0x860 [ppdev] [ 240.800204] [<c118afc2>] do_vfs_ioctl+0x2e2/0x4d0 [ 240.800211] [<e026dfae>] ? pp_read+0x17e/0x1ed [ppdev] [ 240.800216] [<c117a544>] ? vfs_read+0xd4/0x140 [ 240.800221] [<c118b210>] SyS_ioctl+0x60/0x80 [ 240.800226] [<c166414d>] sysenter_do_call+0x12/0x12 [ 240.800230] INFO: task hpfax:1819 blocked for more than 120 seconds. [ 240.800233] Not tainted 3.13.0-46-generic #77-Ubuntu [ 240.800235] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.800238] hpfax D ce401a00 0 1819 1 0x00000000 [ 240.800244] de71fec8 00200086 ce401a00 ce401a00 de71fef4 c1a95580 c1926a00 00000000 [ 240.800253] c1a95580 c1926a00 ce401a00 df3a4580 de71fec4 00000008 de7790a4 00000000 [ 240.800262] de71fef4 ce440a00 de71fee0 c1187a60 de71ff80 de71fec0 de782000 00000000 [ 240.800270] Call Trace: [ 240.800277] [<c1187a60>] ? path_openat+0xb0/0x530 [ 240.800284] [<c1659d73>] schedule_preempt_disabled+0x23/0x60 [ 240.800289] [<c165b6bd>] __mutex_lock_slowpath+0x10d/0x171 [ 240.800295] [<c165abec>] mutex_lock+0x1c/0x28 [ 240.800302] [<e026dbfb>] pp_ioctl+0x1b/0x40 [ppdev] [ 240.800308] [<e026dbe0>] ? pp_do_ioctl+0x860/0x860 [ppdev] [ 240.800313] [<c118afc2>] do_vfs_ioctl+0x2e2/0x4d0 [ 240.800317] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800321] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800326] [<c11880a4>] ? putname+0x24/0x40 [ 240.800330] [<c1179916>] ? do_sys_open+0x196/0x260 [ 240.800334] [<c118b210>] SyS_ioctl+0x60/0x80 [ 240.800339] [<c166414d>] sysenter_do_call+0x12/0x12 [ 240.800343] INFO: task hpfax:1844 blocked for more than 120 seconds. [ 240.800346] Not tainted 3.13.0-46-generic #77-Ubuntu [ 240.800348] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.800351] hpfax D ce403400 0 1844 1 0x00000000 [ 240.800356] ce4fbec8 00200086 ce403400 ce403400 ce4fbef4 c1a95580 c1926a00 00000000 [ 240.800365] c1a95580 c1926a00 ce403400 df3a4580 ce4fbec4 00000008 de7790a4 00000000 [ 240.800374] ce4fbef4 ce479800 ce4fbee0 c1187a60 ce4fbf80 ce4fbec0 de781000 00000000 [ 240.800383] Call Trace: [ 240.800388] [<c1187a60>] ? path_openat+0xb0/0x530 [ 240.800395] [<c1659d73>] schedule_preempt_disabled+0x23/0x60 [ 240.800400] [<c165b6bd>] __mutex_lock_slowpath+0x10d/0x171 [ 240.800407] [<c165abec>] mutex_lock+0x1c/0x28 [ 240.800413] [<e026dbfb>] pp_ioctl+0x1b/0x40 [ppdev] [ 240.800419] [<e026dbe0>] ? pp_do_ioctl+0x860/0x860 [ppdev] [ 240.800424] [<c118afc2>] do_vfs_ioctl+0x2e2/0x4d0 [ 240.800428] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800433] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800437] [<c11880a4>] ? putname+0x24/0x40 [ 240.800441] [<c1179916>] ? do_sys_open+0x196/0x260 [ 240.800445] [<c118b210>] SyS_ioctl+0x60/0x80 [ 240.800450] [<c166414d>] sysenter_do_call+0x12/0x12 [ 240.800454] INFO: task hp:1846 blocked for more than 120 seconds. [ 240.800457] Not tainted 3.13.0-46-generic #77-Ubuntu [ 240.800459] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.800461] hp D ce400000 0 1846 1 0x00000000 [ 240.800466] ce4e9ec8 00200086 ce400000 ce400000 ce4e9ef4 c1a95580 e0fa46c9 00000016 [ 240.800475] c1a95580 ce48db00 ce400000 df3b2580 ce4e9ec4 00000008 de7790a4 00000000 [ 240.800484] ce4e9ef4 ce582b00 ce4e9ee0 c1187a60 ce4e9f80 ce4e9ec0 dbdb5000 00000000 [ 240.800493] Call Trace: [ 240.800499] [<c1187a60>] ? path_openat+0xb0/0x530 [ 240.800506] [<c1659d73>] schedule_preempt_disabled+0x23/0x60 [ 240.800511] [<c165b6bd>] __mutex_lock_slowpath+0x10d/0x171 [ 240.800517] [<c165abec>] mutex_lock+0x1c/0x28 [ 240.800524] [<e026dbfb>] pp_ioctl+0x1b/0x40 [ppdev] [ 240.800529] [<e026dbe0>] ? pp_do_ioctl+0x860/0x860 [ppdev] [ 240.800534] [<c118afc2>] do_vfs_ioctl+0x2e2/0x4d0 [ 240.800539] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800543] [<c1187efd>] ? final_putname+0x1d/0x40 [ 240.800547] [<c11880a4>] ? putname+0x24/0x40 [ 240.800551] [<c1179916>] ? do_sys_open+0x196/0x260 [ 240.800556] [<c118b210>] SyS_ioctl+0x60/0x80 [ 240.800560] [<c166414d>] sysenter_do_call+0x12/0x12 nosek@kunovice-pc:~$ uname -a Linux kunovice-pc 3.13.0-46-generic #77-Ubuntu SMP Mon Mar 2 18:26:13 UTC 2015 i686 i686 i686 GNU/Linux It's a new instalation of the Ubuntu. ** Affects: ubuntu Importance: Undecided Status: New -- Printer parallel port kernel call trace https://bugs.launchpad.net/bugs/1429561 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs